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$236+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ONT
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Pierre Elliott Trudeau Intl to Ontario

Cheapest flights from Pierre Elliott Trudeau Intl to Ontario
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:10 am
YUL
-
ONT
1 stop8h 51m
Air Canada
Tue 9/225:00 am
ONT
-
YUL
1 stop7h 29m
Air Canada
Deal found 6/8$411
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:10 am
YUL
-
ONT
1 stop13h 01m
United Airlines
Mon 8/177:13 pm
ONT
-
YUL
1 stop10h 03m
United Airlines
Deal found 6/9$414
This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:10 am
YUL
-
ONT
1 stop14h 51m
Air Canada
Fri 9/181:56 pm
ONT
-
YUL
1 stop15h 20m
Air Canada
Deal found 6/8$426
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:10 am
YUL
-
ONT
1 stop13h 01m
United Airlines
Sat 9/511:00 am
ONT
-
YUL
1 stop18h 16m
United Airlines
Deal found 6/9$430
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:15 am
YUL
-
ONT
2 stops12h 18m
United Airlines
Sat 7/116:10 am
ONT
-
YUL
1 stop8h 20m
United Airlines
Deal found 6/8$443
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 pm
YUL
-
ONT
2 stops12h 59m
Delta
Wed 9/169:45 am
ONT
-
YUL
2 stops10h 37m
Delta
Deal found 6/8$445
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
YUL
-
ONT
2 stops13h 12m
Delta
Wed 10/2812:00 pm
ONT
-
YUL
1 stop8h 51m
Delta
Deal found 6/8$446
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am
YUL
-
ONT
2 stops12h 12m
Delta
Wed 10/219:55 am
ONT
-
YUL
2 stops10h 42m
Delta
Deal found 6/5$447
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:34 pm
YUL
-
ONT
2 stops18h 55m
American Airlines
Thu 9/101:05 pm
ONT
-
YUL
2 stops19h 39m
American Airlines
Deal found 6/8$461
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 pm
YUL
-
ONT
2 stops12h 59m
Delta
Thu 9/1711:59 am
ONT
-
YUL
1 stop8h 58m
Delta
Deal found 6/8$466
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 am
YUL
-
ONT
2 stops15h 01m
Delta
Sun 9/1310:59 pm
ONT
-
YUL
2 stops16h 54m
Delta
Deal found 6/7$467
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:03 pm
YUL
-
ONT
2 stops11h 54m
American Airlines
Tue 7/77:15 pm
ONT
-
YUL
2 stops17h 04m
American Airlines
Deal found 6/8$468

Find flight deals from Pierre Elliott Trudeau Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$411
(Air Canada)

One-way from

$236
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$499
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Ontario flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Ontario flights.
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From Montreal Pierre Elliott Trudeau Intl to Ontario
Search Deals
One-way flight from Montreal Pierre Elliott Trudeau Intl to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 10/17

6:00 am-4:12 pm

2 stops13h 12m

Ontario

Tue 10/20

7:00 am-11:37 pm

2 stops13h 37m

$446

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

12:45 pm-10:44 pm

2 stops12h 59m

Ontario

Thu 9/17

11:59 am-11:57 pm

1 stop8h 58m

$466

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

9:45 am-10:35 pm

1 stop15h 50m

Ontario

Tue 9/15

7:00 am-5:30 pm

1 stop7h 30m

$478

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

12:47 pm-11:37 pm

2 stops13h 50m

Ontario

Wed 9/30

11:59 am-11:57 pm

1 stop8h 58m

$478

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 10/23

12:45 pm-10:14 pm

1 stop12h 29m

Ontario

Fri 10/30

12:00 pm-11:51 pm

1 stop8h 51m

$488

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 7/16

9:45 am-10:51 pm

1 stop16h 06m

Ontario

Mon 7/20

6:39 pm-8:16 am

1 stop10h 37m

$504

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 7/16

9:45 am-10:51 pm

1 stop16h 06m

Ontario

Sun 7/19

6:10 am-9:26 pm

1 stop12h 16m

$504

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 7/16

9:45 am-10:51 pm

1 stop16h 06m

Ontario

Tue 7/21

1:50 pm-10:40 am

2 stops17h 50m

$504
Quickest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 10/31

4:45 pm-10:26 pm

1 stop8h 41m

Ontario

Tue 11/10

5:00 am-5:00 pm

1 stop9h 00m

$506

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 9/15

6:10 am-7:57 pm

1 stop16h 47m

Ontario

Mon 9/21

5:00 am-10:06 pm

2 stops14h 06m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
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  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pierre Elliott Trudeau Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Montreal Pierre Elliott Trudeau Intl?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Montreal Pierre Elliott Trudeau Intl. On average, Ontario has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario can take about 13h 12m. Delta provides one of the quickest options available for as low as $446. The distance between Montreal Pierre Elliott Trudeau Intl Airport and Ontario is about 2423 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Ontario.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Ontario?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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